OTHER ASSETS - (Tables)
 9 Months Ended
Sep. 30, 2016
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]  
Schedule of Other Assets
Other assets consist of the following:
 
 
September 30,
2016
 
December 31,
2015
Surgical instruments, net
 
$
26,936

 
$
23,945

Restricted cash
 
2,411

 
1,298

Other
 
1,232

 
773

    Total
 
$
30,579

 
$
26,016